| 单词 | earth-based |
| 释义 | > as lemmasearth-based earth-based adj. based on or (poetic) resting on the earth; spec. located on the earth in contrast to being in space or on another planet; derived from or obtained using an instrument so placed. ΚΠ 1839 Mrs. Hale Ladies' Wreath 401 On the distant heights Soft clouds, earth-based, repose. a1868 C. Harpur Poet. Wks. (1984) 841 Yon rude hills Uppiled against the south like rugged banks Of earth-based cloud. 1952 U.S. Patent 2,623,714 2 The support also carries an azimuth reference to supply the third earth-based quantity, heading. 1959 Sci. News Let. 19 Sept. 181/1 Earth-based telescopes..have long been the principal tool for the exploration of the moon. 1987 R. A. Thompson & L. S. Thompson Egoshell ii. C-ii. 127 If..a person could travel at 80 percent of the speed of light to the ‘dog star’, Sirius,..the round trip by earth-based time standards would take fifteen years. 2005 Nature 10 Mar. 163/2 Methane clouds in Titan's troposphere have been observed in Earth-based images. < as lemmas |
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